/*!
 * jCarousel - Riding carousels with jQuery
 *   http://sorgalla.com/jcarousel/
 *
 * Copyright (c) 2006 Jan Sorgalla (http://sorgalla.com)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 *
 * Built on top of the jQuery library
 *   http://jquery.com
 *
 * Inspired by the "Carousel Component" by Bill Scott
 *   http://billwscott.com/carousel/
 */

(function(g){
    var q={
        vertical:!1,
        rtl:!1,
        start:1,
        offset:1,
        size:null,
        scroll:3,
        visible:null,
        animation:"normal",
        easing:"swing",
        auto:0,
        wrap:null,
        initCallback:null,
        setupCallback:null,
        reloadCallback:null,
        itemLoadCallback:null,
        itemFirstInCallback:null,
        itemFirstOutCallback:null,
        itemLastInCallback:null,
        itemLastOutCallback:null,
        itemVisibleInCallback:null,
        itemVisibleOutCallback:null,
        animationStepCallback:null,
        buttonNextHTML:"<div></div>",
        buttonPrevHTML:"<div></div>",
        buttonNextEvent:"click",
        buttonPrevEvent:"click", 
        buttonNextCallback:null,
        buttonPrevCallback:null,
        itemFallbackDimension:null
    },m=!1;
    g(window).bind("load.jcarousel",function(){
        m=!0
        });
    g.jcarousel=function(a,c){
        this.options=g.extend({},q,c||{});
        this.autoStopped=this.locked=!1;
        this.buttonPrevState=this.buttonNextState=this.buttonPrev=this.buttonNext=this.list=this.clip=this.container=null;
        if(!c||c.rtl===void 0)this.options.rtl=(g(a).attr("dir")||g("html").attr("dir")||"").toLowerCase()=="rtl";
        this.wh=!this.options.vertical?"width":"height";
        this.lt=!this.options.vertical? this.options.rtl?"right":"left":"top";
        for(var b="",d=a.className.split(" "),f=0;f<d.length;f++)if(d[f].indexOf("jcarousel-skin")!=-1){
            g(a).removeClass(d[f]);
            b=d[f];
            break
        }
        a.nodeName.toUpperCase()=="UL"||a.nodeName.toUpperCase()=="OL"?(this.list=g(a),this.clip=this.list.parents(".jcarousel-clip"),this.container=this.list.parents(".jcarousel-container")):(this.container=g(a),this.list=this.container.find("ul,ol").eq(0),this.clip=this.container.find(".jcarousel-clip"));
        if(this.clip.size()===0)this.clip= this.list.wrap("<div></div>").parent();
        if(this.container.size()===0)this.container=this.clip.wrap("<div></div>").parent();
        b!==""&&this.container.parent()[0].className.indexOf("jcarousel-skin")==-1&&this.container.wrap('<div class=" '+b+'"></div>');
        this.buttonPrev=g(".jcarousel-prev",this.container);
        if(this.buttonPrev.size()===0&&this.options.buttonPrevHTML!==null)this.buttonPrev=g(this.options.buttonPrevHTML).appendTo(this.container);
        this.buttonPrev.addClass(this.className("jcarousel-prev"));
        this.buttonNext= g(".jcarousel-next",this.container);
        if(this.buttonNext.size()===0&&this.options.buttonNextHTML!==null)this.buttonNext=g(this.options.buttonNextHTML).appendTo(this.container);
        this.buttonNext.addClass(this.className("jcarousel-next"));
        this.clip.addClass(this.className("jcarousel-clip")).css({
            position:"relative"
        });
        this.list.addClass(this.className("jcarousel-list")).css({
            overflow:"hidden",
            position:"relative",
            top:0,
            margin:0,
            padding:0
        }).css(this.options.rtl?"right":"left",0);
        this.container.addClass(this.className("jcarousel-container")).css({
            position:"relative"
        });
        !this.options.vertical&&this.options.rtl&&this.container.addClass("jcarousel-direction-rtl").attr("dir","rtl");
        var j=this.options.visible!==null?Math.ceil(this.clipping()/this.options.visible):null,b=this.list.children("li"),e=this;
        if(b.size()>0){
            var h=0,i=this.options.offset;
            b.each(function(){
                e.format(this,i++);
                h+=e.dimension(this,j)
                });
            this.list.css(this.wh,h+100+"px");
            if(!c||c.size===void 0)this.options.size=b.size()
                }
                this.container.css("display","block");
        this.buttonNext.css("display","block");
        this.buttonPrev.css("display", "block");
        this.funcNext=function(){
            e.next()
            };
            
        this.funcPrev=function(){
            e.prev()
            };
            
        this.funcResize=function(){
            e.resizeTimer&&clearTimeout(e.resizeTimer);
            e.resizeTimer=setTimeout(function(){
                e.reload()
                },100)
            };
            
        this.options.initCallback!==null&&this.options.initCallback(this,"init");
        !m&&g.browser.safari?(this.buttons(!1,!1),g(window).bind("load.jcarousel",function(){
            e.setup()
            })):this.setup()
        };
        
    var f=g.jcarousel;
    f.fn=f.prototype={
        jcarousel:"0.2.8"
    };
    
    f.fn.extend=f.extend=g.extend;
    f.fn.extend({
        setup:function(){
            this.prevLast= this.prevFirst=this.last=this.first=null;
            this.animating=!1;
            this.tail=this.resizeTimer=this.timer=null;
            this.inTail=!1;
            if(!this.locked){
                this.list.css(this.lt,this.pos(this.options.offset)+"px");
                var a=this.pos(this.options.start,!0);
                this.prevFirst=this.prevLast=null;
                this.animate(a,!1);
                g(window).unbind("resize.jcarousel",this.funcResize).bind("resize.jcarousel",this.funcResize);
                this.options.setupCallback!==null&&this.options.setupCallback(this)
                }
            },
    reset:function(){
        this.list.empty();
        this.list.css(this.lt, "0px");
        this.list.css(this.wh,"10px");
        this.options.initCallback!==null&&this.options.initCallback(this,"reset");
        this.setup()
        },
    reload:function(){
        this.tail!==null&&this.inTail&&this.list.css(this.lt,f.intval(this.list.css(this.lt))+this.tail);
        this.tail=null;
        this.inTail=!1;
        this.options.reloadCallback!==null&&this.options.reloadCallback(this);
        if(this.options.visible!==null){
            var a=this,c=Math.ceil(this.clipping()/this.options.visible),b=0,d=0;
            this.list.children("li").each(function(f){
                b+=a.dimension(this, c);
                f+1<a.first&&(d=b)
                });
            this.list.css(this.wh,b+"px");
            this.list.css(this.lt,-d+"px")
            }
            this.scroll(this.first,!1)
        },
    lock:function(){
        this.locked=!0;
        this.buttons()
        },
    unlock:function(){
        this.locked=!1;
        this.buttons()
        },
    size:function(a){
        if(a!==void 0)this.options.size=a,this.locked||this.buttons();
        return this.options.size
        },
    has:function(a,c){
        if(c===void 0||!c)c=a;
        if(this.options.size!==null&&c>this.options.size)c=this.options.size;
        for(var b=a;b<=c;b++){
            var d=this.get(b);
            if(!d.length||d.hasClass("jcarousel-item-placeholder"))return!1
                }
                return!0
        }, 
    get:function(a){
        return g(">.jcarousel-item-"+a,this.list)
        },
    add:function(a,c){
        var b=this.get(a),d=0,p=g(c);
        if(b.length===0)for(var j,e=f.intval(a),b=this.create(a);;){
            if(j=this.get(--e),e<=0||j.length){
                e<=0?this.list.prepend(b):j.after(b);
                break
            }
        }else d=this.dimension(b);
        p.get(0).nodeName.toUpperCase()=="LI"?(b.replaceWith(p),b=p):b.empty().append(c);
        this.format(b.removeClass(this.className("jcarousel-item-placeholder")),a);
        p=this.options.visible!==null?Math.ceil(this.clipping()/this.options.visible): null;
        d=this.dimension(b,p)-d;
        a>0&&a<this.first&&this.list.css(this.lt,f.intval(this.list.css(this.lt))-d+"px");
        this.list.css(this.wh,f.intval(this.list.css(this.wh))+d+"px");
        return b
        },
    remove:function(a){
        var c=this.get(a);
        if(c.length&&!(a>=this.first&&a<=this.last)){
            var b=this.dimension(c);
            a<this.first&&this.list.css(this.lt,f.intval(this.list.css(this.lt))+b+"px");
            c.remove();
            this.list.css(this.wh,f.intval(this.list.css(this.wh))-b+"px")
            }
        },
next:function(){
    this.tail!==null&&!this.inTail?this.scrollTail(!1): this.scroll((this.options.wrap=="both"||this.options.wrap=="last")&&this.options.size!==null&&this.last==this.options.size?1:this.first+this.options.scroll)
    },
prev:function(){
    this.tail!==null&&this.inTail?this.scrollTail(!0):this.scroll((this.options.wrap=="both"||this.options.wrap=="first")&&this.options.size!==null&&this.first==1?this.options.size:this.first-this.options.scroll)
    },
scrollTail:function(a){
    if(!this.locked&&!this.animating&&this.tail){
        this.pauseAuto();
        var c=f.intval(this.list.css(this.lt)), c=!a?c-this.tail:c+this.tail;
        this.inTail=!a;
        this.prevFirst=this.first;
        this.prevLast=this.last;
        this.animate(c)
        }
    },
scroll:function(a,c){
    !this.locked&&!this.animating&&(this.pauseAuto(),this.animate(this.pos(a),c))
    },
pos:function(a,c){
    var b=f.intval(this.list.css(this.lt));
    if(this.locked||this.animating)return b;
    this.options.wrap!="circular"&&(a=a<1?1:this.options.size&&a>this.options.size?this.options.size:a);
    for(var d=this.first>a,g=this.options.wrap!="circular"&&this.first<=1?1:this.first,j=d?this.get(g): this.get(this.last),e=d?g:g-1,h=null,i=0,k=!1,l=0;d?--e>=a:++e<a;){
        h=this.get(e);
        k=!h.length;
        if(h.length===0&&(h=this.create(e).addClass(this.className("jcarousel-item-placeholder")),j[d?"before":"after"](h),this.first!==null&&this.options.wrap=="circular"&&this.options.size!==null&&(e<=0||e>this.options.size)))j=this.get(this.index(e)),j.length&&(h=this.add(e,j.clone(!0)));
        j=h;
        l=this.dimension(h);
        k&&(i+=l);
        if(this.first!==null&&(this.options.wrap=="circular"||e>=1&&(this.options.size===null||e<= this.options.size)))b=d?b+l:b-l
            }
            for(var g=this.clipping(),m=[],o=0,n=0,j=this.get(a-1),e=a;++o;){
        h=this.get(e);
        k=!h.length;
        if(h.length===0){
            h=this.create(e).addClass(this.className("jcarousel-item-placeholder"));
            if(j.length===0)this.list.prepend(h);else j[d?"before":"after"](h);
            if(this.first!==null&&this.options.wrap=="circular"&&this.options.size!==null&&(e<=0||e>this.options.size))j=this.get(this.index(e)),j.length&&(h=this.add(e,j.clone(!0)))
                }
                j=h;
        l=this.dimension(h);
        if(l===0)throw Error("jCarousel: No width/height set for items. This will cause an infinite loop. Aborting...");
        this.options.wrap!="circular"&&this.options.size!==null&&e>this.options.size?m.push(h):k&&(i+=l);
        n+=l;
        if(n>=g)break;
        e++
    }
    for(h=0;h<m.length;h++)m[h].remove();
    i>0&&(this.list.css(this.wh,this.dimension(this.list)+i+"px"),d&&(b-=i,this.list.css(this.lt,f.intval(this.list.css(this.lt))-i+"px")));
    i=a+o-1;
    if(this.options.wrap!="circular"&&this.options.size&&i>this.options.size)i=this.options.size;
    if(e>i){
        o=0;
        e=i;
        for(n=0;++o;){
            h=this.get(e--);
            if(!h.length)break;
            n+=this.dimension(h);
            if(n>=g)break
        }
        }
        e=i-o+ 1;
this.options.wrap!="circular"&&e<1&&(e=1);
    if(this.inTail&&d)b+=this.tail,this.inTail=!1;
    this.tail=null;
    if(this.options.wrap!="circular"&&i==this.options.size&&i-o+1>=1&&(d=f.intval(this.get(i).css(!this.options.vertical?"marginRight":"marginBottom")),n-d>g))this.tail=n-g-d;
    if(c&&a===this.options.size&&this.tail)b-=this.tail,this.inTail=!0;
    for(;a-- >e;)b+=this.dimension(this.get(a));
    this.prevFirst=this.first;
    this.prevLast=this.last;
    this.first=e;
    this.last=i;
    return b
    },
animate:function(a,c){
    if(!this.locked&& !this.animating){
        this.animating=!0;
        var b=this,d=function(){
            b.animating=!1;
            a===0&&b.list.css(b.lt,0);
            !b.autoStopped&&(b.options.wrap=="circular"||b.options.wrap=="both"||b.options.wrap=="last"||b.options.size===null||b.last<b.options.size||b.last==b.options.size&&b.tail!==null&&!b.inTail)&&b.startAuto();
            b.buttons();
            b.notify("onAfterAnimation");
            if(b.options.wrap=="circular"&&b.options.size!==null)for(var c=b.prevFirst;c<=b.prevLast;c++)c!==null&&!(c>=b.first&&c<=b.last)&&(c<1||c>b.options.size)&&b.remove(c)
                };                
        this.notify("onBeforeAnimation");
        if(!this.options.animation||c===!1)this.list.css(this.lt,a+"px"),d();
        else{
            var f=!this.options.vertical?this.options.rtl?{
                right:a
            }:{
                left:a
            }:{
                top:a
            },d={
                duration:this.options.animation,
                easing:this.options.easing,
                complete:d
            };
            
            if(g.isFunction(this.options.animationStepCallback))d.step=this.options.animationStepCallback;
            this.list.animate(f,d)
            }
        }
},
startAuto:function(a){
    if(a!==void 0)this.options.auto=a;
    if(this.options.auto===0)return this.stopAuto();
    if(this.timer===null){
        this.autoStopped= !1;
        var c=this;
        this.timer=window.setTimeout(function(){
            c.next()
            },this.options.auto*1E3)
        }
    },
stopAuto:function(){
    this.pauseAuto();
    this.autoStopped=!0
    },
pauseAuto:function(){
    if(this.timer!==null)window.clearTimeout(this.timer),this.timer=null
        },
buttons:function(a,c){
    if(a==null&&(a=!this.locked&&this.options.size!==0&&(this.options.wrap&&this.options.wrap!="first"||this.options.size===null||this.last<this.options.size),!this.locked&&(!this.options.wrap||this.options.wrap=="first")&&this.options.size!==null&& this.last>=this.options.size))a=this.tail!==null&&!this.inTail;
    if(c==null&&(c=!this.locked&&this.options.size!==0&&(this.options.wrap&&this.options.wrap!="last"||this.first>1),!this.locked&&(!this.options.wrap||this.options.wrap=="last")&&this.options.size!==null&&this.first==1))c=this.tail!==null&&this.inTail;
    var b=this;
    this.buttonNext.size()>0?(this.buttonNext.unbind(this.options.buttonNextEvent+".jcarousel",this.funcNext),a&&this.buttonNext.bind(this.options.buttonNextEvent+".jcarousel",this.funcNext), this.buttonNext[a?"removeClass":"addClass"](this.className("jcarousel-next-disabled")).attr("disabled",a?!1:!0),this.options.buttonNextCallback!==null&&this.buttonNext.data("jcarouselstate")!=a&&this.buttonNext.each(function(){
        b.options.buttonNextCallback(b,this,a)
        }).data("jcarouselstate",a)):this.options.buttonNextCallback!==null&&this.buttonNextState!=a&&this.options.buttonNextCallback(b,null,a);
    this.buttonPrev.size()>0?(this.buttonPrev.unbind(this.options.buttonPrevEvent+".jcarousel",this.funcPrev), c&&this.buttonPrev.bind(this.options.buttonPrevEvent+".jcarousel",this.funcPrev),this.buttonPrev[c?"removeClass":"addClass"](this.className("jcarousel-prev-disabled")).attr("disabled",c?!1:!0),this.options.buttonPrevCallback!==null&&this.buttonPrev.data("jcarouselstate")!=c&&this.buttonPrev.each(function(){
        b.options.buttonPrevCallback(b,this,c)
        }).data("jcarouselstate",c)):this.options.buttonPrevCallback!==null&&this.buttonPrevState!=c&&this.options.buttonPrevCallback(b,null,c);
    this.buttonNextState= a;
    this.buttonPrevState=c
    },
notify:function(a){
    var c=this.prevFirst===null?"init":this.prevFirst<this.first?"next":"prev";
    this.callback("itemLoadCallback",a,c);
    this.prevFirst!==this.first&&(this.callback("itemFirstInCallback",a,c,this.first),this.callback("itemFirstOutCallback",a,c,this.prevFirst));
    this.prevLast!==this.last&&(this.callback("itemLastInCallback",a,c,this.last),this.callback("itemLastOutCallback",a,c,this.prevLast));
    this.callback("itemVisibleInCallback",a,c,this.first,this.last,this.prevFirst, this.prevLast);
    this.callback("itemVisibleOutCallback",a,c,this.prevFirst,this.prevLast,this.first,this.last)
    },
callback:function(a,c,b,d,f,j,e){
    if(!(this.options[a]==null||typeof this.options[a]!="object"&&c!="onAfterAnimation")){
        var h=typeof this.options[a]=="object"?this.options[a][c]:this.options[a];
        if(g.isFunction(h)){
            var i=this;
            if(d===void 0)h(i,b,c);
            else if(f===void 0)this.get(d).each(function(){
                h(i,this,d,b,c)
                });else for(var a=function(a){
                i.get(a).each(function(){
                    h(i,this,a,b,c)
                    })
                },k=d;k<=f;k++)k!== null&&!(k>=j&&k<=e)&&a(k)
                }
            }
},
create:function(a){
    return this.format("<li></li>",a)
    },
format:function(a,c){
    for(var a=g(a),b=a.get(0).className.split(" "),d=0;d<b.length;d++)b[d].indexOf("jcarousel-")!=-1&&a.removeClass(b[d]);
    a.addClass(this.className("jcarousel-item")).addClass(this.className("jcarousel-item-"+c)).css({
        "float":this.options.rtl?"right":"left",
        "list-style":"none"
    }).attr("jcarouselindex",c);
    return a
    },
className:function(a){
    return a+" "+a+(!this.options.vertical?"-horizontal":"-vertical")
    }, 
dimension:function(a,c){
    var b=g(a);
    if(c==null)return!this.options.vertical?b.outerWidth(!0)||f.intval(this.options.itemFallbackDimension):b.outerHeight(!0)||f.intval(this.options.itemFallbackDimension);
    else{
        var d=!this.options.vertical?c-f.intval(b.css("marginLeft"))-f.intval(b.css("marginRight")):c-f.intval(b.css("marginTop"))-f.intval(b.css("marginBottom"));
        g(b).css(this.wh,d+"px");
        return this.dimension(b)
        }
    },
clipping:function(){
    return!this.options.vertical?this.clip[0].offsetWidth-f.intval(this.clip.css("borderLeftWidth"))- f.intval(this.clip.css("borderRightWidth")):this.clip[0].offsetHeight-f.intval(this.clip.css("borderTopWidth"))-f.intval(this.clip.css("borderBottomWidth"))
    },
index:function(a,c){
    if(c==null)c=this.options.size;
    return Math.round(((a-1)/c-Math.floor((a-1)/c))*c)+1
    }
});
f.extend({
    defaults:function(a){
        return g.extend(q,a||{})
        },
    intval:function(a){
        a=parseInt(a,10);
        return isNaN(a)?0:a
        },
    windowLoaded:function(){
        m=!0
        }
    });
g.fn.jcarousel=function(a){
    if(typeof a=="string"){
        var c=g(this).data("jcarousel"),b=Array.prototype.slice.call(arguments, 1);
        return c[a].apply(c,b)
        }else return this.each(function(){
        var b=g(this).data("jcarousel");
        b?(a&&g.extend(b.options,a),b.reload()):g(this).data("jcarousel",new f(this,a))
        })
    }
    })(jQuery);
